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Exam (elaborations)

PSYC 355 UMD EXAM 1 QUESTIONS WITH 100% CORRECT ANSWERS

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PSYC 355 UMD EXAM 1 QUESTIONS WITH 100% CORRECT ANSWERS

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PSYC 355
Course
PSYC 355











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Institution
PSYC 355
Course
PSYC 355

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Uploaded on
December 5, 2025
Number of pages
38
Written in
2025/2026
Type
Exam (elaborations)
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Darwin's Theory of Evolution


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all species of organisms arise and develop through the natural selection of
small, inherited variations that increase the individual's ability to compete,
survive, and reproduce.

,fetal experience


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sight, touch, taste, smell, hearing in prenatal period




Types of Validity


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Internal: examines whether the study design, conduct, and analysis answer
the research questions without bias.

External: examines whether the study findings can be generalized to other
contexts.




Endoderm


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develops into the lining of the digestive and respiratory systems




guided participation


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, a process in which more knowledgeable individuals organize activities in
ways that allow less knowledgeable people to learn




cephalocaudal development


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head to tail growth




behavioral genetics


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Method of studying gene and environment contributions

Goal: Partition behavioral variability into genetic and environmental
components and describe their interaction




Mesoderm


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develops into muscles, and much of the circulatory, reproductive, and
excretory systems




newborn reflexes

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inborn automatic response to a particular form of stimulation that all
healthy babies are born with
2 kinds:
-survival
-healthy neurological functioning




Chromosomes


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threadlike structures made of DNA molecules that contain the genes




Why are adolescents more likely than adults to make risky decisions?


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the different rates of development in the socio-emotional and cognitive-
control systems

heterochrony- systems develop at different rates




Phenotype


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